🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.4

Radius: 10.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.59 AU - 0.89 AU

Year: 418 Days

Day: 7 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,538,709 km

• M1: 133,591 km (0.07 R)
• M2: 506,090 km (0.119 R)
• M3: 1,238,820 km (0.117 R)
• M4: 1,793,828 km (0.105 R)
• M5: 2,757,089 km (0.056 R)
• M6: 3,263,777 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.2

Radius: 13.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.7 AU - 0.92 AU

Year: 478 Days

Day: 14.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 55.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,538,709 km

• M1: 167,998 km (0.106 R)
• M2: 672,293 km (0.073 R)
• M3: 1,131,259 km (0.106 R)
• M4: 1,555,668 km (0.083 R)
• M5: 2,096,764 km (0.111 R)
• M6: 2,895,018 km (0.039 R)
• M7: 3,446,436 km (0.088 R)
• M8: 4,405,657 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.9

Radius: 8.6

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.89 AU - 0.93 AU

Year: 569 Days

Day: 6.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,538,709 km

• M1: 107,262 km (0.105 R)
• M2: 409,449 km (0.12 R)
• M3: 721,211 km (0.083 R)
• M4: 1,155,793 km (0.084 R)
• M5: 1,624,633 km (0.025 R)
• M6: 1,924,277 km (0.091 R)
• M7: 2,215,694 km (0.051 R)
• M8: 3,755,954 km (0.107 R)
• M9: 4,145,207 km (0.112 R)
• M10: 5,004,647 km (0.052 R)
• M11: 5,907,321 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 8.2

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.87 AU - 1.01 AU

Year: 598 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,538,709 km

• M1: 105,167 km (0.06 R)
• M2: 617,690 km (0.119 R)
• M3: 974,481 km (0.111 R)
• M4: 1,281,904 km (0.079 R)
• M5: 1,565,691 km (0.119 R)
• M6: 1,992,943 km (0.108 R)
• M7: 2,396,857 km (0.068 R)
• M8: 2,713,556 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.5

Radius: 9.3

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.19 AU - 1.51 AU

Year: 1029 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 171.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,538,709 km

• M1: 115,789 km (0.082 R)
• M2: 430,692 km (0.096 R)
• M3: 923,617 km (0.093 R)
• M4: 1,758,972 km (0.106 R)
• M5: 2,048,444 km (0.099 R)
• M6: 2,611,231 km (0.108 R)
• M7: 3,407,241 km (0.065 R)
• M8: 4,482,251 km (0.084 R)
• M9: 5,577,457 km (0.111 R)
• M10: 6,009,047 km (0.114 R)
• M11: 7,161,100 km (0.054 R)
• M12: 8,151,289 km (0.082 R)
• M13: 8,538,298 km (0.108 R)
• M14: 8,908,553 km (0.037 R)
• M15: 10,147,224 km (0.114 R)
• M16: 10,758,630 km (0.106 R)
• M17: 11,090,139 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434

Radius: 13.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.5 AU - 2.36 AU

Year: 1759 Days

Day: 13.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,538,709 km

• M1: 168,148 km (0.1 R)
• M2: 1,126,472 km (0.079 R)
• M3: 1,578,557 km (0.085 R)
• M4: 2,605,546 km (0.08 R)
• M5: 3,207,977 km (0.079 R)
• M6: 4,214,322 km (0.095 R)
• M7: 4,772,172 km (0.05 R)
• M8: 6,059,761 km (0.061 R)
• M9: 7,124,299 km (0.118 R)
• M10: 9,529,235 km (0.105 R)
• M11: 11,991,017 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.1

Radius: 13.5

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.83 AU - 4.55 AU

Year: 5626 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,538,709 km

• M1: 167,998 km (0.06 R)
• M2: 631,901 km (0.096 R)
• M3: 1,257,370 km (0.105 R)
• M4: 1,991,297 km (0.073 R)
• M5: 2,997,493 km (0.115 R)
• M6: 3,717,806 km (0.083 R)
• M7: 4,984,451 km (0.102 R)
• M8: 5,810,232 km (0.074 R)
• M9: 7,039,178 km (0.088 R)
• M10: 8,718,414 km (0.103 R)
• M11: 9,608,073 km (0.114 R)
• M12: 10,188,662 km (0.084 R)
• M13: 11,420,152 km (0.114 R)
• M14: 12,433,229 km (0.117 R)
• M15: 13,894,949 km (0.087 R)
• M16: 17,028,576 km (0.119 R)
• M17: 19,245,616 km (0.109 R)
• M18: 24,164,544 km (0.102 R)
• M19: 25,072,603 km (0.088 R)
• M20: 26,520,411 km (0.097 R)
• M21: 27,044,602 km (0.075 R)
• M22: 31,101,996 km (0.048 R)
• M23: 32,176,557 km (0.088 R)
• M24: 35,023,105 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655

Radius: 3.8

Gravity: 45.36 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.21 AU - 8.47 AU

Year: 11735 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,538,709 km

• M1: 84,224 km (0.08 R)
• M2: 220,956 km (0.111 R)
• M3: 343,327 km (0.034 R)
• M4: 526,435 km (0.114 R)
• M5: 669,450 km (0.114 R)
• M6: 991,235 km (0.116 R)
• M7: 1,436,439 km (0.102 R)
• M8: 1,703,621 km (0.068 R)
• M9: 1,916,498 km (0.089 R)
• M10: 2,496,340 km (0.057 R)
• M11: 2,904,891 km (0.053 R)
• M12: 3,137,067 km (0.112 R)
• M13: 5,780,163 km (0.108 R)
• M14: 6,035,676 km (0.088 R)
• M15: 6,888,084 km (0.109 R)
• M16: 7,300,974 km (0.08 R)
• M17: 7,730,021 km (0.119 R)
• M18: 8,266,928 km (0.062 R)
• M19: 9,464,608 km (0.074 R)
• M20: 10,773,141 km (0.105 R)
• M21: 13,424,165 km (0.036 R)
• M22: 14,396,252 km (0.03 R)
• M23: 16,334,741 km (0.059 R)
• M24: 22,548,289 km (0.114 R)
• M25: 22,998,877 km (0.086 R)
• M26: 23,455,450 km (0.101 R)
• M27: 25,731,582 km (0.11 R)
• M28: 25,927,555 km (0.113 R)
• M29: 31,270,443 km (0.115 R)
• M30: 32,511,656 km (0.07 R)
• M31: 37,302,079 km (0.059 R)
• M32: 43,091,667 km (0.104 R)
• M33: 44,204,824 km (0.098 R)
• M34: 45,479,847 km (0.115 R)
• M35: 46,054,303 km (0.093 R)
• M36: 52,224,317 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 18,720 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit